HP CP4525DN Laser CC494A#ABA manual Circuit diagrams, General circuit diagram 1

Circuit diagrams

Figure 3-44				General circuit diagram (1 of 2)
					6																			5																		4
				TH4																																										SR7						LED8			LED7		LED6		LED5
				2	1																																									J46
						J82L																																								1	2	3
				2	1
																									TAG (Bk)				TAG (C)				TAG (M)			TAG (Y)						SR6
				1	2	J82DH
																																								SR9			J47
																																																												J60L
					J82D									TO IPTU & SS										J85DH																	J19						11 10 9				8		7	6	5	4	3	2	1
				2	1	J81L	1	2	3	4	5	6	7	8	9 10 11 12 13 14 15 16 17 18 19 20																											1	2	3			1		2	3	4		5	6	7	8	9 10 11			J60D
						J81DH
				1	2																			J85D																1	2 3																			J60DH
					J81D
				GND	SCN TH	IPTUCMD		IPTUSTS	IPTUCLK	+3.3V	GND	+3.3V	GND	GND	+24V A	+24V A +24V A +24V A	GND	JLPWRON	GND	CAN L	CAN H GND		+24V A	OPT EX Z	VSS4	VIN	VSS3	VIN	VSS2	VIN	VSS1	VIN									ITBHPSNS	SGND	3.3VS	PAPFULL	SGND	3.3VS	FPRESS	SGND		3.3VS	PREEXP1		+5VB	PREEXP2	+5VB	PREEXP3	+5VB	PREEXP4	+5VB
				2	1		20 19 18 17 16 15 14 13 12 11 10 9										8	7	6	5	4	3	2	1	8	7	6	5	4	3	2	1									17 16 15 14 13 12 11 10 9										8		7	6	5	4	3	2	1
				J103												J106												J126				DC Controller PCA																		J128
			J71L																																													J57LH
			J71LH		2 1 4 3 2 1	J71D		24VA			7 6 5 4 3 2 1					6 5 4 3 2 1			SGND					6 5 4 3 2 1 J201																					J34			J57L J57D
						/SCN1ACC													24VB												J69DH																		1		4
		M																	PGND																J69L
						/SCN1DEC																									J69D																		2		3
																			5VB																2
								PGND																										1															3		2					CSTSIZE0
																			PGND									DUP_SL
		J40						24VA																										2	1														4		1							SGND
																			24VB									+24VB
						/SCN2ACC																																																		CSTSIZE1
																																																		J56D
																												DUPM_/B																												CSTSIZE2
						/SCN2DEC											21 /HVRESET2					21												J39													J56L
																																																					J56DH
M9			43214 3			43214 3		PGND				J112			J113		20 HVDALD2					20				J202	4653 2	DUPM_B								21	SL	SL2				SW4				2431												+24VB		2413
		M																										DUPM_/A																														LUON
								3.3V S									19 HVDACLK2					19
M8			2		3	2					11 10 98																1	DUPM_A							4 3 21	M		M11				M7		M						21	21							PGND		10 9 8 7 65	J107
								SGND									18 HVDATA 2					18
		J41	1		4	1																																							J55D			J55DB										+24VA
			J72L			J72D	DEVHP										17 1TR1S					17																														5
																								HVT-T																																		SGND
				J72LH													16 1TR2S					16																														4
																																																										3.3V
																	15 1TR4S					15																														3
																																																								INPOPTMG
	SR11					3											14 1TR3S					14																								A4 B5						2								14 13 12 11
			3 2 1		1																																																			INPOPCLK
						2											13 HVTCLK					13																														1
					2																																																				INPOPIN
						1											12 2TRS					12																														4
					3								J116		21									21	J200																															INPOPOT
																	11 2TRCNT					11																														3
		J42		J87L		J87D																																						J55DA
																	10 /2TRNCNT																																			2
				J87LH																		10
					1	/BD21 23											9	DUPMPHB					9																													1
																	8	DUPMI0B					8
					2	LD1PDOUT 22
																	7	DUPMI1B					7																												2 1						I2CSCK
					3	/VDO12O 21																																							J36	4						4								1
																	6	DUPMIDWN					6																																		SGND
					4	VDO12O 20
																	5	DUPMI1A					5																																		I2CSD A
					5	LD1CTRL2 19																																													3
																	4	DUPMI0A					4																																			3.3V
					6	LD1CTRL1 18																																													4
																	3	DUPMPHA					3																															J67DH
					7	LD1CTRL0 17																																											J67L
																																																						J67D
																	2	DUPSL					2
					8	/VDO11O 16																																																			24 VA
																	1	2TRCLK					1
					9	VDO11O 15																																																			24 VA
					10	5VC 14																																																			PGND
					11	SGND 13														DEVMOUT1B																																					PGND
					12 L_LOW_PWR 12											M10				DEVMOUT0A																																					24VB
					13	LD2PDOUT 11														DEVMOUT1A																																					24VB
						SGND 10														DEVMOUT0B																																					PGND
					14
																			J38
					15	/VDO2 2	9																																																		PGND
					16	VDO22	8																																																		SGND
					17	LD2CTRL2	7													FEEDMOUT0A																																						5VB
																																																		J58D							3.3VS
					18	LD2CTRL1	6													FEEDMOUT1A																					PSNS_PCB
ScannerLaser(Y/M)Unit					19	LD2CTRL0	5													FEEDMOUT1B						98765432110 3 2 1 J251 J264						J79H											ENVSNS-		J58L123							321					SGND			16 15 14 13 101211362341245789	J108J115
																														J79D				J79L																						CSTPEND
					20	/VDO21	4													FEEDMOUT0B
	J501	23			21	VDO21	3				23		J110			M13	MM	43243211	J37					31241234 J261J260				GND				3 2 1		3 2 1				FM4		SR25	SR24	SR23						5 4 312		543 2 1						CSTPS2
																												FAN5LK							3 2 1																					CSTPS1
					22	SGND	2
					23	5VC	1																					+24V
																	1	FAN5LK					1																						J58LH						J59H									17
																																																	J59L					J59D
																		DEVMPHB
																	2						2																						SL4	SL		2 1		2 1				2 1		24VB
					1	/BD41 23											3	DEVMI0B					3							J65DH																										CSTSL
					2	LD3PDOUT 22											4	FAN2LK					4	HVT-D							J65D			J65L
																																			3 2 1				FM2
					3	/VDO32 21											5	DEVMI0A					5											3 2 1		3 2 1
Laser Scanner Unit (C/Bk)					4	VDO32 20											6	FAN2PWM					6																		TCU FULL SNS
					5	LD3CTRL2 19											7	DEVMPHA					7																							7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 J510J511								14	RDSRGAIN0
					6	LD3CTRL1 18																																															1							15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
																	8	RTS4SNS					8																																RDSRGAIN1
					7	LD3CTRL0 17																					18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3	GND					J66DH																				2	13
																	9	FEEDMPHB					9																																	RDSRLED
					8	/VDO31 16																						FAN2LK						J66D										RD-SNSRD-SNS									3	12
																	10	RTS3SNS				10																																			DSRSR
																												+24V																										11 10
					9	VDO31 15																													3 2																		5 4
																	11	FEEDMI0B				11												2 1																							DSRDR
																												WTSLED
					10	5VC 14											12 RTS2SNS					12
																												+5V																														+5VB
					11	SGND 13																													1																		7 6	9 8
	J503	23											J111				13	FEEDMI1B				13			J250									3					3																			SGND
					12 L_LOW_PWR 12						23			J114	29									29				WTSSNS										1																							J130
																	14	RTS1SNS				14
																												+5V						J66L				2	2															7				SGND
					13	LD4PDOUT 11											15	FEEDMIDWN15																																			8					+5VB
																												RT1_S					7 6 5 4 3 2 1	12 11 10 9 8 7 6 5 4				3	1															6
					14	SGND 10																																															9
																	16	WTSSNS				16														J1D																					DSFDR
					15	/VDO42		9																		J263		GND								J1DH			J1L														10	5
																	17 FEEDMI1A					17
																												+5V																													DSFSR
					16	VDO42		8																														3 2 1															11	4
																	18 TONLED					18						RT2_S									3 2 1						TONER EMP													RDSFLED
					17	LD4CTRL2		7																																													12	3
																	19 FEEDMI0A					19
																												GND																											RDSFGAIN1
					18	LD4CTRL1		6																																													13	2
																	20 /DEV4CNT					20
																												+5V								J2D			J2L																RDSFGAIN0
					19	LD4CTRL0		5									21 FEEDMPHA					21																															14	1
																												RT3_S							J2DH
					20	/VDO41		4									22	/DEV3CNT				22																													J83L
																																								3 2
					21	VDO41		3									23	/HVRESET				23						GND											2 1															J83D
																																																						J83DH
						SGND																						+5V
					22			2									24 /DEV2CNT					24
																												RT4_S					10	3					3	1
					23	5VC		1									25	HVDALD				25					2									J3D
						FAN1PWM											26 /DEV1CNT					26					1	GND					11	2		J3DH				J3L
																																	12	1
																	27 HVDACLK					27
							FAN1LK																						J68DH
																																		J68L																							SGND
								PGND									28 HVTCLK					28								J68D
																																																							RDOORSN S
																	29 HVTDA TA1					29
					FM1	123					123	J153																										312	321											SW6		2 1		21	J43					21 J147
																																				J4D
																																				J4DH			J4L

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